Option 1: 1 and 4 only

This option suggests that the only features of Pradhan Mantri Jan Dhan Yojana (PMJDY) are ensuring financial inclusion of the poor and allowing bank accounts with zero balance. However, this is incorrect as PMJDY has more features.

Option 2: 1, 2 and 3 only

This option suggests that the features of PMJDY include ensuring financial inclusion of the poor, enhancing financial literacy, and provision for accidental insurance to account holders. This is partially correct as it includes three out of the four features.

Option 3: 2 and 4 only

This option suggests that the features of PMJDY include enhancing financial literacy and allowing bank accounts with zero balance. This is incorrect as it does not include all the features.

Option 4: 1, 2, 3 and 4

This option is correct as it includes all the features of PMJDY. The features are: ensuring financial inclusion of the poor, enhancing financial literacy, provision for accidental insurance to account holders, and allowing bank accounts with zero balance.